A-line

fitting close at the top and flaring at the bottom: said of a woman's dress, coat, skirt, etc.

Origin of A-line

because the garment's shape is somewhat like an

A-line

adjective

Having a fitted top and a flared bottom: an A-line dress.

Origin of A-line

From garments being shaped like a capital A.

a-line

Adjective

(not comparable)

Having a silhouette that replicates the letter A by flaring out from the top, like a funnel, narrow and fitted at the neck and shoulders, skimming the hips and widening toward the bottom, with little or no shaping or seaming at the waist.

Noun

(plural A-lines)

Any article of clothing with a narrow mid-section and a flared bottom.